Date: Mon, 15 May 2017 15:09:33 -0400 From: Nikolai Lifanov <lifanov@FreeBSD.org> To: Alexey Dokuchaev <danfe@FreeBSD.org>, Konstantin Belousov <kib@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r318313 - head/libexec/rtld-elf Message-ID: <6c327032-9eb5-2b0a-39ed-2140144a5a0d@FreeBSD.org> In-Reply-To: <20170515185236.GB1637@FreeBSD.org> References: <201705151848.v4FImwMW070221@repo.freebsd.org> <20170515185236.GB1637@FreeBSD.org>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --4jFhDCnXjCGIA4r2h2RwG5GItMfrDGXwK Content-Type: multipart/mixed; boundary="cMpwKJqLw1EeQM8G9Ki0XhbWAxoJffejv"; protected-headers="v1" From: Nikolai Lifanov <lifanov@FreeBSD.org> To: Alexey Dokuchaev <danfe@FreeBSD.org>, Konstantin Belousov <kib@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Message-ID: <6c327032-9eb5-2b0a-39ed-2140144a5a0d@FreeBSD.org> Subject: Re: svn commit: r318313 - head/libexec/rtld-elf References: <201705151848.v4FImwMW070221@repo.freebsd.org> <20170515185236.GB1637@FreeBSD.org> In-Reply-To: <20170515185236.GB1637@FreeBSD.org> --cMpwKJqLw1EeQM8G9Ki0XhbWAxoJffejv Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 05/15/2017 14:52, Alexey Dokuchaev wrote: > On Mon, May 15, 2017 at 06:48:58PM +0000, Konstantin Belousov wrote: >> New Revision: 318313 >> URL: https://svnweb.freebsd.org/changeset/base/318313 >> >> Log: >> Make ld-elf.so.1 directly executable. >=20 > Does it mean that old Linux' trick of /lib/ld-linux.so.2 /bin/chmod +x > /bin/chmod would now be possible on FreeBSD as well? Does this have > any security implications? >=20 > ./danfe This is a use case for fixing accidentally hosed /bin/chmod binary and not some sort of an escalation thing. You will need to be root to do this. Likewise, with working chmod binary, you should be able to mark binaries with write access executable. - Nikolai Lifanov --cMpwKJqLw1EeQM8G9Ki0XhbWAxoJffejv-- --4jFhDCnXjCGIA4r2h2RwG5GItMfrDGXwK Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQKoBAEBCgCSFiEE5oT6TcuaWvG5gtjzZ6sv56ecR0UFAlkZ/O1fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEU2 ODRGQTREQ0I5QTVBRjFCOTgyRDhGMzY3QUIyRkU3QTc5QzQ3NDUUHGxpZmFub3ZA ZnJlZWJzZC5vcmcACgkQZ6sv56ecR0W13Q/8CTQVVfCNYpoKQchzQUQXsRR1rQCH PjyJSn2kOa4qn8inAxDwI9AYkr5P+p9W3bQKq6lnjRrTqR/cxn5QziXsM2X58eTD yzLWKfUm3ynCuOIyeSL/6ggl0m7Iyh6tVQeP45ftG+ZUflpKtNSS37FS7vYVsnlJ cjWcQ5QQjbxwBMxqtegzzbvCcsbwYHjtRiByNxGfDN2TvVpRX4fBwvMaSN6ZWcZz isLlbNyEGozfenPlDO/RiuH8zq/caL0JHZxvwhNZveSJyzfO0Comw07suTA5VCLR A6h+sTSD79YtfoP1YYUeg8DzOEYFU403/dFOZQBhBe4MVWxLc7yvPeO1E0kABUm2 MFI+X+vwLxFSGQG07sTQY9txjPlFFEhomMypDdKMJqh0jgC0apZdpKhDb2bU/Mbu f9OtNNlJ6y24OZGHx4pxKm88xMtjOL876bpsxzbzYqxX3B7fxUEf6R8jxOKuMVlq 3qRy2XjB4ZpCa2g5/+xS+DH1/qmXjRAgW1C8UD/Y3XM17f9lwUPGoooVl3SHazYc 5ZlNamFiQhBYbl80GAZ7+SVki3kW7z1nC3qnVD7nSovQzwD0wKTmGEalTFi0VyTv P8H2cTzDlSDKcLHMAVL2ltVKDq6A6L18y1D9AqONlmuwQ9vFycrFb/YqnIZC6lAo Bpq+tmUSNrVWJUc= =Xg2P -----END PGP SIGNATURE----- --4jFhDCnXjCGIA4r2h2RwG5GItMfrDGXwK--
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